Scott, AP. and Sumpter, JP. (1983) 'A comparison of the female reproductive cycles of autumn-spawning and winter-spawning strains of rainbow trout (Salmo gairdneri Richardson)'. General and Comparative Endocrinology, 52 (1). pp. 79 - 85. ISSN: 0016-6480

Rodrigues, KT., Jenks, BG. and Sumpter, JP. (1983) 'Biosynthesis of pro-opiomelanocortin-related peptides in the neurointermediate lobe of the pituitary gland of the rainbow trout (Salmo gairdneri)'. Journal of Endocrinology, 98 (2). pp. 271 - 282. ISSN: 0022-0795

Scott, AP., Sumpter, JP. and Hardiman, PA. (1983) 'Hormone changes during ovulation in the rainbow trout (Salmo-Gairdneri Richardson)'. General and Comparative Endocrinology, 49 (1). pp. 128 - 134. ISSN: 0016-6480

Rodrigues, K. and Sumpter, JP. (1983) 'The distribution of some proopiomelanocortin-related peptides in the pituitary gland of the rainbow trout, Salmo gairdneri'. General and Comparative Endocrinology, 51 (3). pp. 454 - 459. ISSN: 0016-6480

Leatherland, JF., Copeland, P., Sumpter, JP. and Sonstegard, RA. (1982) 'Hormonal-control of gonadal maturation and development of secondary sexual characteristics in coho salmon, Oncorhynchus-Kisutch, from lakes Ontario, Erie and Michigan'. General and Comparative Endocrinology, 48 (2). pp. 196 - 204. ISSN: 0016-6480

Denningkendall, PA., Sumpter, JP. and Lowry, PJ. (1982) 'Peptides derived from pro-opiocortin in the pituitary-gland of the dogfish, Squalus-Acanthias'. Journal of Endocrinology, 93 (3). pp. 381 - 390. ISSN: 0022-0795

Denningkendall, PA., Sumpter, JP. and Lowry, PJ. (1982) 'Proopiocortin and peptides derived from it in the pituitary-gland of the dogfish, Squalus-Acanthias'. General and Comparative Endocrinology, 46 (3). pp. 362 - 362. ISSN: 0016-6480

Arme, C., Griffiths, DV. and Sumpter, JP. (1982) 'Evidence against the hypothesis that the plerocercoid larva of Ligula-intestinalis (Cestoda, Pseudophyllidea) produces a sex steroid that interferes with host reproduction'. Journal of Parasitology, 68 (1). pp. 169 - 171. ISSN: 0022-3395

Dodd, JM., Dodd, MHI., Sumpter, JP. and Jenkins, N. (1982) 'Gonadotrophic activity in the buccal lobe (Rachendachhypophyse) of the pituitary gland of the rabbit fish Hydrolagus colliei (Chondrichthyes: Holocephali)'. General and Comparative Endocrinology, 48 (2). pp. 174 - 180. ISSN: 0016-6480

Sumpter, JP. and Wood, CRC. (1981) 'The trout'. Biologist, 28 (4). pp. 219 - 224. ISSN: 0006-3347

Stuart-Kregor, PAC., Sumpter, JP. and Dodd, JM. (1981) 'The involvement of gonadotrophin and sex steroids in the control of reproduction in the parr and adults of Atlantic salmon, Salmo salar L'. Journal of Fish Biology, 18 (1). pp. 59 - 72. ISSN: 0022-1112

Sumpter, JP., Jenkins, N., Duggan, RT. and Dodd, JM. (1980) 'The steroidogenic effects of pituitary extracts from a range of elasmobranch species on isolated testicular cells of quail, and their neutralisation by a dogfish anti-gonadotrophin'. General and Comparative Endocrinology, 40 (3). pp. 331 - 331. ISSN: 0016-6480

Sumpter, JP. and Dodd, JM. (1979) 'The annual reproductive cycle of the female lesser spotted dogfish, Scyliorhinus canicula L., and its endocrine control'. Journal of Fish Biology, 15 (6). pp. 687 - 695. ISSN: 0022-1112

Sumpter, JP., Jenkins, N. and Dodd, JM. (1978) 'Gonadotrophic hormone in the pituitary gland of the dogfish (Scyliorhinus canicula L.): Distribtuion and physiological significance'. General and Comparative Endocrinology, 36 (2). pp. 275 - 285. ISSN: 0016-6480

Sumpter, JP., Jenkins, N. and Dodd, JM. (1978) 'Hormonal control of steroidogenesis in an elasmobranch fish (Scyliorhinus canicula L.): Studies using a specific anti-gonadotrophic antibody'. Journal of Endocrinology, 79 (2). pp. 28 - 29. ISSN: 0022-0795

Sumpter, JP., Follett, BK. and Dodd, JM. (1978) 'Studies on the purification of gonadotrophin from dogfish (Scyliorhinus canicula L.) pituitary glands'. Annales de Biologie Animale, Biochimie, Biophysique, 18 (4). pp. 787 - 791. ISSN: 0003-388X

Sumpter, JP., Follett, BK., Jenkins, N. and Dodd, JM. (1978) 'Studies on the purification and properties of gonadotrophin from ventral lobes of the pituitary gland of the dogfish (Scyliorhinus canicula L.)'. General and Comparative Endocrinology, 36 (2). pp. 264 - 274. ISSN: 0016-6480

Jenkins, N., Sumpter, JP. and Follett, BK. (1978) 'The effects of vertebrate gonadotrophins on androgen release in vitro from testicular cells of Japanese quail and a comparison with their radioimmunoassay activities'. General and Comparative Endocrinology, 35 (3). pp. 309 - 321. ISSN: 0016-6480